 /*******************************************************************************
  * Copyright (c) 2000, 2005 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
  * http://www.eclipse.org/legal/epl-v10.html
  *
  * Contributors:
  * IBM Corporation - initial API and implementation
  *******************************************************************************/
 package org.eclipse.ui.editors.text;

 import org.eclipse.swt.SWT;
 import org.eclipse.swt.graphics.Color;
 import org.eclipse.swt.graphics.Font;
 import org.eclipse.swt.graphics.FontData;
 import org.eclipse.swt.widgets.Composite;
 import org.eclipse.swt.widgets.Display;

 import org.eclipse.core.runtime.Platform;
 import org.eclipse.core.runtime.Plugin;

 import org.eclipse.jface.preference.FieldEditorPreferencePage;
 import org.eclipse.jface.preference.FontFieldEditor;
 import org.eclipse.jface.preference.IPreferenceStore;
 import org.eclipse.jface.preference.PreferenceConverter;
 import org.eclipse.jface.resource.JFaceResources;

 import org.eclipse.ui.IWorkbench;
 import org.eclipse.ui.IWorkbenchPreferencePage;
 import org.eclipse.ui.PlatformUI;
 import org.eclipse.ui.plugin.AbstractUIPlugin;
 import org.eclipse.ui.texteditor.AbstractTextEditor;


 /**
  * A preference page to set the font used in the default text editor.
  * <p>
  * This preference page uses the text editor's preference bundle and
  * uses the key <code>"PreferencePage.description"</code> to look up
  * the page description. In addition, it uses <code>"PreferencePage.fontEditor"</code>
  * for the editor description.
  * </p>
  * @deprecated As of 2.1, fonts are managed by the workbench, no longer supported
  */
 public class TextEditorPreferencePage extends FieldEditorPreferencePage implements IWorkbenchPreferencePage {

     /**
      * Indicates whether the preferences that this page manipulates have been initialized.
      *
      * @since 2.0
      */
     private static boolean fgInitialized= false;

     /**
      * Creates and returns the text editor preference page.
      */
     public TextEditorPreferencePage() {
         super(GRID);

         setDescription(TextEditorMessages.PreferencePage_description);
         Plugin plugin= Platform.getPlugin("org.eclipse.ui.workbench"); //$NON-NLS-1$
 if (plugin instanceof AbstractUIPlugin) {
             AbstractUIPlugin uiPlugin= (AbstractUIPlugin) plugin;
             setPreferenceStore(uiPlugin.getPreferenceStore());
         }
     }

     /*
      * @see IDialogPage#createControl(org.eclipse.swt.widgets.Composite)
      */
     public void createControl(Composite parent) {
         super.createControl(parent);
         PlatformUI.getWorkbench().getHelpSystem().setHelp(getControl(), ITextEditorHelpContextIds.TEXT_EDITOR_PREFERENCE_PAGE);
     }

     /*
      * @see FieldEditorPreferencePage#createFieldEditors()
      */
     public void createFieldEditors() {
         addField(new FontFieldEditor(JFaceResources.TEXT_FONT, TextEditorMessages.PreferencePage_fontEditor, getFieldEditorParent()));
     }

     /*
      * @see IWorkbenchPreferencePage#init(org.eclipse.ui.IWorkbench)
      */
     public void init(IWorkbench workbench) {
     }

     /**
      * Initializes the defaults for the given store.
      *
      * @param store the preference store
      * @since 2.0
      */
     public static void initDefaults(IPreferenceStore store) {

         if (fgInitialized)
             return;

         fgInitialized= true;

         Font font= JFaceResources.getTextFont();
         if (font != null) {
             FontData[] data= font.getFontData();
             if (data != null && data.length > 0)
                 PreferenceConverter.setDefault(store, JFaceResources.TEXT_FONT, data[0]);
         }

         Display display= Display.getDefault();
         Color color= display.getSystemColor(SWT.COLOR_LIST_FOREGROUND);
         PreferenceConverter.setDefault(store, AbstractTextEditor.PREFERENCE_COLOR_FOREGROUND, color.getRGB());
         store.setDefault(AbstractTextEditor.PREFERENCE_COLOR_FOREGROUND_SYSTEM_DEFAULT, true);

         color= display.getSystemColor(SWT.COLOR_LIST_BACKGROUND);
         PreferenceConverter.setDefault(store, AbstractTextEditor.PREFERENCE_COLOR_BACKGROUND, color.getRGB());
         store.setDefault(AbstractTextEditor.PREFERENCE_COLOR_BACKGROUND_SYSTEM_DEFAULT, true);
     }
 }

